My new corys! Are they Juliis..? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 8 Old 07-10-2011, 05:49 PM Thread Starter
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My new corys! Are they Juliis..?

I'm still getting them acclimated to the tank. :) Just brought them home. I had no idea what kind of corys the LFS would even have so I didn't really know what I'd be bringing home today. (I was still debating on whiptail catfish, corys, Bristlenose Pleco, or some kuhli loach!) These little guys were a nice surprise - very pretty. They've got a lot of blue flicks in their coloring. They sold them as Julii Cory, but I'm not entirely sure if they are indeed Juliis or not.. I don't really care either way as long as they don't get 5" big, haha.

So far, I've only been able to get one picture you can actually see them in.. figured I should try to catch a picture while they're still in the bag.



According to the profile, if it's not an actual Julii it should be C. leopardus, C. punctatus or C. trilineatus but I don't really think it looks exactly like any of them. Whatever the case may be, I find them pretty darn cute!

I've now got my rescued angelfish, 5 rasboras and 5 corys in the tank along with some nerite snails. I'll be adding some more rasboras for a total of 9-11 rasboras. I haven't decided how many yet. I'll be getting the additional rasboras after these guys are settled in. I've got a 28 gallon planted tank.

Last edited by jennesque; 07-10-2011 at 05:53 PM.
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post #2 of 8 Old 07-10-2011, 06:42 PM Thread Starter
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I actually managed to get better pictures out of the bag, go figure.



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post #3 of 8 Old 07-10-2011, 07:28 PM
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YES, I believe they are CUTE, CUTE Bravo!!!!!!
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post #4 of 8 Old 07-10-2011, 10:20 PM Thread Starter
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YES, I believe they are CUTE, CUTE Bravo!!!!!!
:D Thank you! They're all swimming about, happily. I'm glad I decided to go with corys! I love that they swim together sometimes, it's too cute. And now my crazy rasbora is swimming with them sometimes. He (or she) is rarely with the rest of the rasboras and now he's just hanging out with a couple of the corys.. not nipping or chasing them, just swimming along where they go on the bottom of the tank. He's usually all by himself so I'm happy he's found some friends.
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post #5 of 8 Old 07-16-2011, 10:26 AM
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The cory pictured is definitely Corydoras trilineatus, not C. julii. The head pattern is clear, and the lateral line is too extensive for julii. A very pretty little cory nonetheless.

C. julii is really very rare, almost all "julii" are C. trilineatus. This is explained in our profile of Corydoras julii.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #6 of 8 Old 07-16-2011, 11:29 AM Thread Starter
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Ok, I wasn't sure. It didn't look exactly like any of the pictures in the profile. They do look most similar to the three lined Cory, but the pattern on their heads doesn't look like a continuous line like in the pictures. I wasn't sure if that even mattered though. The pattern doesn't look like the pictures of juliis either, for that matter. It's like a combinatiokn of the two, but like it says on the profile there's a "high variable" in the pattern! Either way, they're cute and as long as they don't get to 4"+ inches, then I'm a-ok with keeping them.

It's good to know what I did get though, so I'm glad you cleared that up! Thank you!! I didn't think they were actual juliis based on the price, the price I paid matched the three line/ false juliis. I couldn't find a price for real julii corys, but everyone said they've got a "premium" price to them. As long as I'm not getting over charged it's all good!

Last edited by jennesque; 07-16-2011 at 11:35 AM.
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post #7 of 8 Old 07-16-2011, 11:55 AM
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As you noticed, patterning is quite variable with many of these species. One has to look more at the "type" of marking more than the actual marking, if that makes sense. On the head for instance, C. julii is quite definitely spotted, varying from dark to very light and many to few, but definitely roundish spots. Whereas C. trilineatus has what is termed a reticulated pattern, more of curved lines rather than true spots. Once you get these two differences sorted out visually, it is easy to see which is on the fish, notwithstanding the variability.

Yes, true C. julii are more expensive; their habitats are rarely "high" among collection sites as noted in the profile, and this drives up the price. They will also be seasonal, being wild caught, probably only avaiable once or twice a year if at all.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #8 of 8 Old 07-16-2011, 09:05 PM Thread Starter
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Originally Posted by Byron View Post
As you noticed, patterning is quite variable with many of these species. One has to look more at the "type" of marking more than the actual marking, if that makes sense. On the head for instance, C. julii is quite definitely spotted, varying from dark to very light and many to few, but definitely roundish spots. Whereas C. trilineatus has what is termed a reticulated pattern, more of curved lines rather than true spots. Once you get these two differences sorted out visually, it is easy to see which is on the fish, notwithstanding the variability.

Yes, true C. julii are more expensive; their habitats are rarely "high" among collection sites as noted in the profile, and this drives up the price. They will also be seasonal, being wild caught, probably only avaiable once or twice a year if at all.
Yes, I did notice the two different types of markings, I was just confused because they have both the reticulated pattern as well as the spots, so that's why I was unsure at first. I figured if it's anything but just spots then it wasn't a true julii, and that seems to be the case.

Probably a good thing I didn't get a real julii, I see they're not as easy to care for either. :)

Thanks for your help with identifying!
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